Compression Fitting Adapter, Application Gases, Liquids, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Stainless Steel, Fitting Side A Tube Outer Diameter 5/16 in, Fitting Side B Tube Outer Diameter 1/4 in, Material Grade 316, Maximum Operating Temperature 649 Degrees C, Overall Length 1 9/16 in, Specific Fitting Shape Straight Adapter, Compatible Fitting Brands Parker A-LOK, Thread Size A 1/2-20, Thread Size B 7/16-20. This item has been restricted from sale in the following state (s): []